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11991-1 — HOLDER,ELECTRICAL CARD

✓ Government record, cited
Hama · TAPERED BEARING
PRODUCT OVERVIEW

11991-1: HOLDER,ELECTRICAL CARD.

The HOLDER,ELECTRICAL CARD is a Hama industrial component. Key specifications include material: METAL AND PLASTIC, overall_width: 11.000 INCHES NOMINAL IN, overall_height: 9.000 INCHES NOMINAL IN, overall_length: 11.000 INCHES NOMINAL IN, outside_diameter: 3.8750 INCHES NOMINAL IN, style_designator: NORMAL ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0300, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
11991-1
NSN: 3110-00-100-0300
NIINs: 001000300, 013074311, 014634316
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: U1921 — SIMON GLOSTER SARO LTD (GBR)
SPECIFICATIONS
materialMETAL AND PLASTIC
overall_width11.000 INCHES NOMINAL IN
overall_height9.000 INCHES NOMINAL IN
overall_length11.000 INCHES NOMINAL IN
outside_diameter3.8750 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0312 INCHES NOMINAL IN
end_item_identificationDISPLAY SYSTEMS E/I FSCM 64014
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0300
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 11991-1 · Hama ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 3.8750 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.7018 INCHES NOMINAL IN
OUTSIDE DIAMETER3.8750 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0312 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
667279Reference document
Same NSN cross-reference
Reference document — Secondary reference
2213 4524-002Reference document
Same NSN cross-reference
Reference document — Secondary reference
527722Reference document
Same NSN cross-reference
Reference document — Secondary reference
48132Reference document
Same NSN cross-reference
Reference document — Secondary reference
64AX162Reference document
Same NSN cross-reference
Reference document — Secondary reference
382Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11991-1?
11991-1 is a HOLDER,ELECTRICAL CARD manufactured by Hama.
What parts can replace 11991-1?
There are 9 known substitutes for 11991-1: 667279, 2213 4524-002, 527722 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11991-1?
11991-1 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0300. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.